Arthur Alvin A. Aguilar is a Filipino martial artist and mixed martial arts promoter better known as Alvin Aguilar. He was born on April 28, 1974 in Bacolod, Philippines. He is the president and founder of the Universal Reality Combat Championship (2002–present); He is also the founder and head coach of DEFTAC Ribeiro Jiu-jitsu Philippines (1996–present.) and is currently serving as the president of the Wrestling Association of the Philippines. He started training in martial arts at the age of 9, first in Karate, Arnis and Greco-Roman wrestling. Having spent over 30 years of his life to the study of multiple martial arts forms including Sari-an, Brazilian jiu-jitsu, Yaw-Yan, Pekiti Tirsia Kali, etc., he has developed his own unique fighting style specialized in grappling, knife, and street